Ear plug



FIG. 1.1 is a perspective view of an ear plug;

FIG. 1.2 is another perspective view thereof;

FIG. 1.3 is another perspective view thereof;

FIG. 1.4 is another perspective view thereof;

FIG. 1.5 is a rear view thereof;

FIG. 1.6 is a front view thereof;

FIG. 1.7 is a right side view thereof;

FIG. 1.8 is a left side view thereof;

FIG. 1.9 is a top view thereof; and

FIG. 1.10 is a bottom view thereof.

The broken lines shown in FIGS. 1.1, 1.2, 1.4, and 1.5 illustrate portions of the ear plug that form no part of the claimed design. 

CLAIM The ornamental design for a ear plug, as shown and described. 